Overview#
WebAuthn Attestation Statement Format Identifier (WebAuthN) are the "Defined Attestation Statement Formats" for the Web Authentication API Specification and SHOULD be registered per WebAuthn-RegistriesLDAPWiki recommends you to consult the The Registry Entries
| WebAuthn Attestation Statement Format Identifier | Description | Reference | Change Controller | Notes |
|---|---|---|---|---|
| packed | The "packed" attestation statement format is a WebAuthN-optimized format for attestation. It uses a very compact but still extensible encoding method. This format is implementable by WebAuthn Authenticators with limited resources (e.g., Secure Elements). | Web Authentication Section §8.2, Packed Attestation Statement Format | W3C_Web_Authentication_Working_Group | |
| tpm | The TPM attestation statement format returns an attestation statement in the same format as the packed attestation statement format, although the rawData and signature fields are computed differently. | Web Authentication Section §8.3, TPM Attestation Statement Format | W3C_Web_Authentication_Working_Group | |
| android-key | Platform Authenticators based on versions "N", and later, may provide this proprietary "hardware attestation" statement. | Web Authentication Section §8.4, Android Key Attestation Statement Format | W3C_Web_Authentication_Working_Group | |
| android-safetynet | Android-based, Platform Authenticator MAY produce an attestation statement based on the Android SafetyNet API. | Web Authentication Section §8.5, Android SafetyNet Attestation Statement Format | W3C_Web_Authentication_Working_Group | |
| fido-u2f | Used with FIDO U2F authenticators | Web Authentication Section §8.6, FIDO U2F Attestation Statement Format | W3C_Web_Authentication_Working_Group |
More Information#
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